CN101218058A

CN101218058A - Band saw device

Info

Publication number: CN101218058A
Application number: CNA2005800509877A
Authority: CN
Inventors: 近藤彰宏
Original assignee: KOKUHO Co Ltd
Current assignee: KOKUHO Co Ltd
Priority date: 2005-07-15
Filing date: 2005-07-15
Publication date: 2008-07-09
Anticipated expiration: 2025-07-15
Also published as: CN101218058B; JPWO2007010625A1; JP4921364B2; HK1120766A1; DE112005003635T5; WO2007010625A1; US20090090231A1

Abstract

A band saw device having a body frame; a pair of wheels provided in parallel to the body frame and rotating by driving force on the same slope surface sloping relative to a body frame foundation surface that is in parallel to a work cutting surface; a loop-like band saw passed under tension between the pair of wheels; a deviation prevention member for moving the band saw entering into a work cutting zone located where the slope surface crosses the foundation surface, the movement of the band saw being performed at a position between the pair of wheels, in the vicinity of the work cutting section, so that the band saw is close to the foundation surface while being in parallel to the surface; and a band saw pressing mechanism next to the work cutting zone side of the deviation prevention member and eliminating a clearance between the band saw and the foundation surface. When the band saw device is used, for example, to remove a projection on a floor surface on the bottom of a ship being built, the device can cut and completely remove the projection from its root and therefore labor for finishing can be saved.

Description

The band saw device

Technical field

The present invention relates to a kind of band saw device that is used to cut off metal.

Background technology

In the past, as above-mentioned band saw device, for example, have about comprising the one wheel pairs (wheel) of configuration side by side and be crossed on the type of the band saw of the ring-type between this one wheel pairs with tensioning state, when for example cutting off steel by this band saw device, the cut-out interval that steel are transplanted between the one wheel pairs cuts off, thereby the band saw device is cut off near the fixing cut-out interval of steel between one wheel pairs.

But, in above-mentioned band saw device in the past, though steel can be cut into required size, but during the thrust that on for example wanting to cut off the floor of removing the hull bottom in the shipbuilding, exists, can not make the floor of the band saw of ring-type, so can not remove the root portion of thrust, its result near hull bottom, have the problem of having to be used to remove the fine finishining operation of this remaining root portion, addressing this problem is in the past problem.

Summary of the invention

The present invention finishes in view of such problem that conventional art had, its purpose is to provide a kind of band saw device, it can cut into required size with steel certainly, during the thrust that on the floor of the hull bottom that for example is used for removing shipbuilding, exists, thrust can be cut off fully from root portion and remove, therefore, can save the time of carrying out the fine finishining operation.

The inventor has carried out wholwe-hearted research to achieve these goals and repeatedly, found that: during the thrust that on the floor of the hull bottom that for example is used for removing shipbuilding, exists, by being set, the band saw pressing mechanism make the band saw of ring-type near floor, can realize above-mentioned purpose, thereby finish the present invention.

That is, band saw device of the present invention is characterized in that comprising: main body frame; One wheel pairs is arranged on this main body frame, and obtains driving force on respect to the same inclined plane that tilts with the main body frame base surface of the same level of cutting workpiece face and rotate; Be crossed on the band saw of the ring-type between this one wheel pairs with tensioning state; Antihunting device between the one wheel pairs and be near the cutting workpiece interval that is positioned on the part that inclined plane and base surface intersect, makes the band saw almost parallel ground that enters this cutting workpiece interval near base surface; The band saw pressing mechanism, adjacent with the interval side of the cutting workpiece of this antihunting device, the interval between band saw and the base surface is eliminated.

In addition, the preferred embodiment as band saw device of the present invention is characterized in that: the band saw pressing mechanism is made as the interval that can adjust between band saw and the base surface.

And then other preferred embodiments as band saw device of the present invention is characterized in that: comprise bottom (base), the support body framework can be carried the mobile agent framework with respect to the direction that workpiece is toward or away to the cutting workpiece interval; Another other preferred embodiments as band saw device of the present invention, it is characterized in that: making the wheel drive source of wheel turns and carrying the framework drive source of mobile agent framework all is motor, the bottom can be fixed in wall or end face by magnet or attraction mechanism, and can carry mobile to main body frame with respect to the bottom of being fixed in wall or end face.

In band saw device of the present invention, antihunting device and band saw pressing mechanism not only are confined to the band saw approaching side in cutting workpiece interval, also can be located at the band saw side of coming out.

And in band saw device of the present invention, the preferred suction port of the dust catcher of the smear metal that produces when the cut-out that workpiece is removed in the interval configuration of cutting workpiece perhaps disposes the nozzle of pressure fan.

And then, in band saw device of the present invention, move or be placed on the scene that moves on the chassis though can hang by suspension arrangements such as cranes, in order easily to carry out on-the-spot position contraposition, telescopic wheel is set preferably.

In band saw device of the present invention, enter the band saw in the cut-out interval between the one wheel pairs, form with the state of base surface almost parallel near base surface by antihunting device, next push by pressing mechanism, almost disappear up to the entering part of this band saw and the interval between the base surface, so during the thrust that on the floor of the hull bottom that for example this band saw device is used for removing shipbuilding, exists, make the floor (cutting workpiece face) of hull bottom as one man cut off operation with the main body frame base surface, be about to cut off operation on the floor that main body frame is placed on hull bottom, thrust can be cut off fully from its root portion thus and remove, its result can save the time of carrying out the fine finishining operation.

In addition, in band saw device,, for example make root portion remove various cut-out specifications such as thrust so can tackle owing to be set as said structure as the preferred embodiments of the present invention a little residually.

And then, in band saw device as other preferred embodiments of the present invention, owing to be set as said structure, so during the thrust that on the floor of the hull bottom that for example is used for removing shipbuilding, exists, as long as the bottom is placed on the floor of hull bottom, make wheel turns and with respect to the bottom main body frame is carried mobilely, just automatically thrust is cut off, therefore, can carry out the operation of removing of thrust simply.

And then, in band saw device, owing to be set as said structure, be not only floor as another other preferred embodiments of the present invention, can also be present in simply wall, end face thrust remove operation.

Description of drawings

Fig. 1 is the whole perspective illustration of an embodiment of simple expression band saw device involved in the present invention;

Fig. 2 is the side illustration figure of the band saw device among Fig. 1;

Fig. 3 is the front key diagram of the band saw approaching side of the band saw device among Fig. 1; And

Fig. 4 is the bottom surface key diagram of the band saw approaching side of the band saw device among Fig. 1.

The specific embodiment

Below, be described in more detail the present invention by embodiment, but the present invention is not limited to these embodiment.

(embodiment)

Fig. 1 to Fig. 4 represents an embodiment of band saw device involved in the present invention.

As Fig. 1 and shown in Figure 2, this band saw device 1 comprises: be assembled into underframe (base frame) (bottom) 2 of overlooking the コ word shape; Be accommodated in the main body frame 10 in this underframe 2; One

wheel pairs

3,3 is arranged on this main body frame 10, and rotates on the same inclined plane 12 of about 45 degree that tilt with respect to the main body frame base surface 11 with the same level of cutting workpiece face WC; Apply the electro-motor 4 (only in Fig. 2, representing) of driving force to a wheel 3; Be crossed on the band saw 5 of the ring-type between the one

wheel pairs

3,3 with tensioning state; Be configured near the antihunting device 6 in cutting workpiece interval 13, described cutting workpiece interval is between the one

wheel pairs

3,3 and on the part that to be inclined plane 12 intersect with base surface 11; And with the adjacent band saw pressing mechanism 20 of interval 13 sides of the cutting workpiece of this antihunting device 6.

Antihunting device 6, as shown in Figure 3, by with the regulation interval (than the wide slightly interval of the thickness of band saw) two chunks (block) 6a, 6b staggered relatively forms, have the inhibition enter cutting workpiece interval 13 band saw 5 vibration and make the function of band saw 5 almost parallel ground near base surface 11.

On the other hand, band saw pressing mechanism 20 as shown in Figure 4, possesses: rotor (roller) 21; Support (holder) 23 rotates the armature spindle 22 that supports this rotor 21 freely; And shell (housing) 24, support this support 23, to move this support 23 towards the direction that is toward or away from respect to base surface 11 (Fig. 2 and Fig. 3 above-below direction).By adjusting the position with respect to base surface 11 of support 23, the interval between rotor 21 and the base surface 11 is made as with the thickness of band saw 5 roughly the same, can eliminate the interval between band saw 5 and the base surface 11 thus.

In addition, described antihunting device 6 and band saw pressing mechanism 20 be not though all have diagram, the band saw 5 that yet is arranged on cutting workpiece interval 13 side of coming out.

In addition, this band saw device 1 comprises the mobile not shown conveying mechanism of direction (left and right directions of Fig. 2) conveying that main body frame 10 is toward or away from respect to workpiece W to cutting workpiece interval 13 in underframe 2.

As the framework drive source, the transmission of power for example can be adopted following two kinds of structures to this conveying mechanism with motor: the screw shaft (screw shaft) that will be linked to the output shaft of the motor that is fixed on underframe 2 sides is constructed with the ball screw (ball screw) that the nut thread that is fixed on main body frame 10 sides is formed by connecting; Perhaps will be located at rack-and-pinion (rack-and-pinion) structure that the pinion of the output shaft of the motor that is fixed on main body frame 10 sides forms on the chi bar of being located at underframe 2 sides.

At this moment, on underframe 2, about two places be provided with the magnet 14 (only in Fig. 1, representing) that can be fixed in wall or end face, on the other hand, on main body frame 10, be provided with slide rail (slider) 15 at Qi Sijiao, these slide rails 15 slide the slot part of the channel-section steel 7 of being located at underframe 2, can carry mobile with respect to 2 pairs of main body frames 10 of the underframe that is fixed in wall, end face thus.

And then, though this band saw device 1 moves to the scene by suspension arrangement such as crane or chassis etc., in order to carry out on-the-spot location simply, be provided with telescopic wheel 16 at underframe 2 four jiaos.

In addition, this band saw device 1 dispose in cutting workpiece interval 13 with accompanying drawing beyond the suction port 17 that is connected of dust catcher, the smear metal that produces during with the cut-out that can remove workpiece.

When removing thrust (workpiece) W that exists on the floor of the hull bottom in the shipbuilding by the band saw device 1 of this embodiment, the telescopic wheel 16 that moves to on-the-spot band saw device 1 by suspension arrangements such as crane, chassis etc. is rotated to Fig. 1 direction of arrow respectively, carry out on-the-spot contraposition, then wheel 16 is withdrawn once more, as shown in Figure 2, underframe 2 is arranged near the floor of thrust W.

Next, thereby make electro-motor 4 work on a wheel 3, apply driving force, make band saw 5 rotations that are crossed on the ring-type between the one

wheel pairs

3,3 with tensioning state, make accompanying drawing dust catcher work in addition simultaneously.

Next, make the motor operations as the framework drive source of conveying mechanism, begin the conveying of main body frame 10 when mobile with cutting workpiece interval 13 near the mode of thrust W, band saw 5 is with the transporting velocity and the thrust W butt of regulation, thereby thrust W is removed.

At this moment, the band saw 5 that enters cutting workpiece interval 13 is as Fig. 3 and shown in Figure 4, by antihunting device 6 form with the state of base surface 11 almost parallels near base surface 11, next push by the rotor 21 of band saw pressing mechanism 20, almost disappear up to the entering part of this band saw 5 and the interval between the base surface 11, remove so thrust W can be cut off fully from its root portion, its result has saved the time of carrying out the fine finishining operation.

In addition, in above-mentioned band saw device 1, be toward or away from respect to base surface 11 by the support 23 that makes band saw pressing mechanism 20, can carry out the position adjustment with respect to base surface 11 of rotor 21, for example deliberately make root portion remove various cut-out specifications such as thrust W a little residually so can tackle.

And then, in above-mentioned band saw device 1, owing to possess the conveying mechanism of carrying mobile agent framework 10 on the direction that is toward or away from respect to workpiece W in cutting workpiece interval 13,, therefore can carry out the operation of removing of thrust W simply so can automatically cut off thrust W.

And then, in above-mentioned band saw device 1, magnet 14 is set on underframe 2, underframe 2 can be fixed in wall or end face, and can carry mobile with respect to 2 pairs of main body frames 10 of the underframe that is fixed in wall, end face, so be not only floor, can also be present in simply wall, end face thrust remove operation.

And then, in above-mentioned band saw device 1, four jiaos at underframe 2 are provided with telescopic wheel 16, so can carry out on-the-spot contraposition simply, and, in above-mentioned band saw device 1, dispose the suction port 17 that is connected with accompanying drawing dust catcher in addition in cutting workpiece interval 13, so the smear metal that produces during the cut-out that can remove workpiece, thereby can avoid the tooth of band saw 5 to be plugged.

As top illustrated, owing in band saw device of the present invention, be set as said structure, so during the thrust that on the floor of the hull bottom that for example is used for removing shipbuilding, exists, thrust can be cut off fully from root portion and remove, therefore, can play and save so very excellent effect of time of carrying out the fine finishining operation.

In addition, owing in the preferred embodiment of band saw device of the present invention, be set as said structure, so can tackle various cut-out specifications.

And then, owing in band saw device, be set as said structure, so can carry out removing of the thrust that exists on the floor of the hull bottom in the shipbuilding simply as other preferred embodiments of the present invention.

And then, owing in band saw device, be set as said structure as another other preferred embodiments of the present invention, thus can be present in simply wall, end face thrust remove operation.

Claims

1. a band saw device comprises: main body frame; One wheel pairs is arranged on the described main body frame, and obtains driving force on respect to the same inclined plane that tilts with the main body frame base surface of the same level of cutting workpiece face and rotate; Be crossed on the band saw of the ring-type between the described one wheel pairs with tensioning state; Antihunting device between the described one wheel pairs and be near the cutting workpiece interval that is positioned on the part that inclined plane and base surface intersect, makes the band saw almost parallel ground that enters described cutting workpiece interval near base surface; The band saw pressing mechanism, adjacent with the interval side of the cutting workpiece of described antihunting device, the interval between band saw and the base surface is eliminated.

2. band saw device according to claim 1, wherein: described band saw pressing mechanism is made as the interval that can adjust between band saw and the base surface.

3. band saw device according to claim 1 and 2, comprising: the bottom, support described main body frame, can carry to the direction that described cutting workpiece interval is toward or away from respect to workpiece and move described main body frame.

4. band saw device according to claim 3, wherein: making the wheel drive source of described wheel turns and carrying the framework drive source that moves described main body frame all is motor, simultaneously wall or end face can be fixed in described bottom, and can carry mobile to described main body frame with respect to the described bottom of being fixed in wall or end face.